Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847057 | Process and installation for ammonia treatment of a gas | Michel Combe, Joseph E. Paganessi | 1989-07-11 |
| 4818262 | Air distillation process and plant | — | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847057 | Process and installation for ammonia treatment of a gas | Michel Combe, Joseph E. Paganessi | 1989-07-11 |
| 4818262 | Air distillation process and plant | — | 1989-04-04 |